reproduced from best avmuttccottprogram extract currently extracts the following data for each well...

UNITED STATES DEPARTMENT OF THE INTERIOR

GEOLOGICAL SURVEY

EXTRACT: A FORTRAN Program to Retrieve

Selected Well History Control System (WHCS) Data

By

Suzanne I. Weston and Thaddeus S. Dyman

Open-File Report 81-29

1931

REPRODUCED FROM BEST AVMUttCCOtt

This report is preliminary and has not been reviewed for conformity with the U.S. Geological Survey editorial standards. Any use of trade names is for descriptive purposes only and does not imply endorsement by the USGS.

TABLE OF CONTENTS

Page

Introduction 1

Program Description 3

Program Execution 6

Restart Procedure- 12

Sample Processing Statistics 14

Appendix A Sort Paramater Analysis 17

Appendix B Guidelines for Program Expansion 20

Appendix C Definition of Variables 25

Appendix D EXTRACT Program Code 35

INTRODUCTION

The Well History Control System (WHCS) is a large digital data file

containing geological and engineering data on more than one million oil and

gas wells drilled in the United States. Specific data categories include:

1. well location, identification, and classification,

2. initial potential and production tests,

3. formation tops and bases,

4. core data,

5. drill stem and wireline tests,

6. miscellaneous data including logs, shows, casing description, and

hole deviation.

The WHCS file is owned and maintained by Petroleum Information Corporation

(PI) of Denver, Colorado, and is directly accessed by the U.S. Geological

Survey through a contract with PI.

Applications to WHCS within the U.S. Geological Survey include:

1. resource appraisal and basin evaluation

2. field and reservoir engineering and production problems,

3. regional stratigraphic correlation, and

4. special aquifer and formation studies.

The WHCS file is being used extensively throughout the U.S. Geological

Survey, but no large scale effort has yet been made to process this data on

Survey computers. To best retrieve and manipulate WHCS data for printed and

graphic output, an efficient database management system and related processing

routines are required.

As a first step in that direction, EXTRACT was written to selectively

retrieve and output stratigraphic and production data for the state of

Colorado from WHCS on the Honeywell MIJLTICS System. EXTRACT is a FORTRAN IV

program and, with the exception of calls to five system routines, is system

independent.

The purpose of this report is to present EXTRACT for continued use and

modification, and describe the level of programming effort and computer time

required for data retrieval. Included with the program code and documentation

are program expansion and modification guidelines, a sort parameter analysis,

and a sample processing cost analysis.

Large and small letters in key-in commands (e.g., Whcs, extract) should be typed as shown; however, capital letters are used in descriptions (e.g., EXTRACT) to clarify meaning.

PROGRAM DESCRIPTION

EXTRACT can best be described in terms of its three main functions:

extract, sort, and print.

The extract portion of the program reads each 80 character record of the

Colorado WHCS file (reading, consecutively, either single or multisegment

files FILE 15, FILE 16, ...FILEN, excluding FILE41 and FILE42), compares the

card class of the record with a set of user-defined card classes and extracts

specified data from the record if card classes match, and writes the extracted

data to a file (FILE09) using one of three record formats. Three formats are

used per well unit rather than just one, due to the large amount of data that

could be extracted. The record types currently defined are:

1. all data extracted except initial potential tests (IP's) and

production tests (PDT's),

2. initial potential tests, and

3. production tests.

Due to the sorting algorithm, the data to be sorted is written at the

beginning of each record.

The data format used for EXTRACT is known as the PI WHCS Storage File Format. Each record contains the following:

cc 1-14 API numbercc 15-20 blankcc 21-25 card classcc 26-80 data.

Program EXTRACT currently extracts the following data for each well unit

and writes it to FILE09 in approximately this order:

API number,

township,

range,

section,

spot,

state,

county,

well number,

well name,

operator elevation,

drill depth for the Dakota formation (602DKOT ,

602DKOTD, 602DKOTJ),

IP's for the Dakota formation (602DKOT ,

602DKOTD, 602DKOTJ),

PDT's for the Dakota formation (602DKOT ,

602DKOTD, 602DKOTJ)

In case of an abnormal termination during the extract process, a restart

capability exists. See Restart Procedure, p. 12.

The sort portion of the program consists of a call to a system sort

routine (see Appendix A, Sort Parameter Analysis) which sorts the extracted

file (FILE09) in the order defined by file SORTDES, placing the results in a

second file (FILE10). The following data is sorted in the order listed:

township,

range,

section,

API number, and

record number

where record number is an internal device for sorting purposes. When the

sorting process is completed, FILE09 is deleted by a call to the system

routine DELETE.

The print portion of the program reads each record of the sorted file

(FILE10) and writes the data contained in that record to a second file

(FILE 11) in a format that can be easily read by the user. The system routine

DPRINT is then called which causes FILE11 to be listed on the printer.

PROGRAM EXECUTION

EXTRACT.FORTRAN is the program source name in the USGS Denver MULTICS

directory >udd>Whcs>TDyman for the program EXTRACT (see Appendix D, Program

Code) used to extract specific data from the Colorado WHCS file (FILE15,

...FILEN), write the extracted data to FILE09, sort FILE09, write the sorted

data to FILE10, and write the sorted data in an easy-to-read format in FILE11.

EXTRACT.FORTRAN consists of main program EXTRACT, which calls the three

subroutines WRSUB, SORT?, and RESTRT, the five KULTICS system routines SORT,

DELETE, DPRINT, OPEN and CF (Close File), and BLOCK DATA. Refer to figure 1

for an overview of the system.

To compile EXTRACT.FORTRAN, key in:

ft extract -card

Prior to running EXTRACT, determine if the user space is large enough for

the expected output by keying in

gq >udd>Whcs

To execute the program EXTRACT key in:

extract

EXTRACT will present a task menu with the following choices:

1 = extract, sort, print (default)

2 = extract, sort, print restart

3 = extract

4 = extract restart

5 = sort

6 = print

7 = sort, print

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Decide which task you wish to accomplish and input the appropriate value. The

responses 0, 1 and carriage return are equivalent.

Selecting task 1 will result in completing all three program functions:

extract, sort, and print (assuming the program terminates normally).

Selecting task 3 will result in extracting data only, and the sort and print

functions will not be done. Tasks 5 and 6 will cause only sorting and only

printing, respectively, and task 7 will cause only the combination of sorting

and printing. Refer to Restart Procedure, p. 12, for a description of tasks 2

and 4 and for more information about tasks 5, 6, and 7.

EXTRACT will then ask for the logical FORTRAN unit of the last file to be

read, where it is assumed the first file to be read is FILE 15. Thus, if 17 is

the response, EXTRACT will extract data from the following files in order:

FILE 15, FILE 16, FILE 17. The extracted data is always output to FILE09.

So that the program's progress may be monitored, EXTRACT prints various

messages on the user's terminal during execution. The first message which

appears during the extract process lists the card classes for which data is to

be extracted. Then every time data is extracted for 50 well units, the API

number of the well unit just completed is printed, and after 1,000 well units

have been processed, the value of the well unit counter is printed. (The 50

interval may be changed by modifying variable MESINT. See Appendix C,

Definition of Variables). The first message that appears during the sort

process indicates that sorting is about to take place. When sorting is

completed, the number of records sorted is given and another message indicates

that FILE09 is about to be deleted. The first message which appears during

the print process indicates that FILE 11 is about to be written. As in the

extract process, a message appears every time data for 50 (and 1,000) well

units has been written. (Variable MESINT defines this interval also). Then a

message indicates that FILE 11 is being sent to the printer to be listed. A

sample terminal session is shown in figure 2.

NOTE

After running EXTRACT, and prior to re-running EXTRACT during the same

login session, the following must be keyed in:

rl -a

new__proc

If not done, data will not be initialized properly.

extractselect tasks

1= extract, sort, print (default)2= extract, sort, print restart3= extract4= extract restart5= sort6= print7= sort, print

1input unit of last input file to be read 16

extracting data for the following card classes

1 010 1 021 110 120 121 130 211 250 1 252 1 254 1 5110512105480000005121055300000051210557900000512105630000005121056800000051210572900000512105778000005121058280000051210587800000512105929000005121059790000051210602900000512106080000005121061300000051210617900000512106228000005121062780000051210632800000512106378000005121064280000

well unit 100005121064780000051210652900000512106581000005121066820000

sorting file09 into filelO

FIGURE 2. SAMPLE EXTRACT TERMINAL SESSION

10

deleting file09

writing file 11 in user format

05121054800000 05121055300000 05121055790000 05121056300000 05121056800000 05121057290000 05121057780000 05121058280000 05121058780000 05121059290000 05121059790000 05121060290000 05121060800000 05121061300000 05121061790000 05121062280000 05121062780000 05121063280000 05121063780000 05121064280000

well unit 1000 05121064780000 05121065290000 05121065810000 05121066820000

printing filell1 request signalled, 4 already in printer queue 3

STOPR 1511.1 03/21/79 $21.83 $57.40

FIGURE 2. SAMPLE EXTRACT TERMINAL SESSION (continued)

11

RESTART PROCEDURE

A restart capability has been provided for abnormal program

termination. After the termination, respond "no" to any system query

regarding file closure. Then key in

abc file09

abc file12

rl -a

new_proc

If EXTRACT has terminated after the extract process has been completed (i.e.,

during the sort or print portions), the program may be restarted such that

only the remaining functions are executed. Select one of the following tasks

from the task menu:

5 = sort

6 = print

7 = sort, print

If there is uncertainty that the extract function has been completed, one of

the extract restart tasks may be selected as described below.

If EXTRACT is interrupted during the extract process, the program may be

restarted by selecting one of the following tasks from the task menu:


4 = extract restart

12

The program retains file unit and record count information at the time of

an abnormal termination on FILE12 When the extract portion of the program

is restarted, the appropriate data file is positioned at the first record of

the next well unit to be processed, and the output file (FILE09) is positioned

immediately after the last record written for the last well unit completely

processed. Any combination of multisegment and single segment files can be

processed. Obviously, the larger the file, the greater the number of records

that must be read to position the file correctly during a restart.

FILE12 is deleted upon normal program termination,

13

SAMPLE PROCESSING STATISTICS

Processing statistics for a sample EXTRACT test is as follows:

Input file:

Output files:

unsorted:

sorted:

print:

Run cost:

cost:

date:

time of day:

FILE15

FILE 09

FILE10

FILE 11

$7.90

1/24/79

1300

11895 records

935 records

935 records

3087 records

560 well units

Print cost ($1.31 per 1000 lines):

$15.59 FILE15

$ 2.53 FILE10

$ 4.05 FILE 11

14

Actual processing statistics for one run of the full Colorado WHCS file

are:

Input files: FILE 15, ...FILE94

Output files: FILE09/10

FILE 11

Run cost:

Extract function (includes restart)

Sort function

Print function

Miscellaneous costs:

Miscellaneous terminal costs

Read tape

DIVMUL*

Storage cost ($.20/page/month

for 12000 pages public space)

Print cost: FILE 11 158.00

592,821 records

38,000 records

120,000 records

$181.00

37.00

58.00

30.00

84.00

110.00

80.00/day

Please note a reduction in total run cost can be achieved by inodifiying

the program source to make FILE09 and FILE10 unformatted. If this is done,

the argument list to SORT must be modified (see Appendix A, Sort Parameter

Analysis).

User utility program to convert multisegment files to single segment files This operation may not be cost effective.

15

A savings in disk storage (and consequently run time) could also be

achieved by rewriting the WHCS file such that a new record is created for each

well unit. The new record, the zeroes record (00000), would contain the 14

character well unit API number. The first 20 characters for each of the

remaining well unit records could then be deleted, avoiding a redundancy in

storage of both the API number and the 5 extra blank characters. At the same

time, the file could be written as unformatted, thereby achieving an

additional savings.

16

Appendix A

SORT PARAMETER ANALYSIS

17

SORT PARAMETER ANALYSIS

EXTRACT calls a system routine, SORT, to sort the data residing in file

FILE09 into file FILE 10, where the fields sorted are township, range, section,

API number and record number (in that order). The routine SORT is

specifically used because it sorts multisegment files.

The subroutine call within EXTRACT is:

call sort ("-ids","record__stream__ -target vfile__

file09", "-ods","record__stream_ -target

vfile_ filelO", ff-td", ">udd>Whcs>TDyman",

"-sd","sortdes")

where the input file (FILE09) and output file (FILE 10) are unstructured (i.e.,

ASCII), >udd>Whcs>TDyman is the temporary working directory, and SORTDES is

the file containing the sort description.

The sort description is:

keys: char(12) 3(18) char(12) 6(18) char(ll) 9(18)

char(U) 0 char(12) 12(9)

and can be explained as follows:

The format of each record in FILE09 is

VA8, A6,, JA4 ̂ JA4, 2A4,A3., 12,...^r

API TWP rge sec rec #

Thus, to sort the township field (char(12) 3(18)), for example, note the

following:

1. the field is a character string (char);

2. it is 12 characters long (12);

3. it begins in the third word of the record (one word = 4 characters)

(3);

4. it begins in the 18th bit of the word (one character = 9 bits) (18);

where counting begins with word 0 and bit 0.

19

Appendix B

GUIDELINES FOR PROGRAM EXPANSION

20

GUIDELINES FOR PROGRAM EXPANSION

A. If additional types of data are to be extracted from the Colorado WHCS

file, the following guidelines may be helpful in modifying the program:

1. If the program searches for the card class corresponding to the new

data, modify the code (e.g., add a DECODE statement) in EXTRACT for

that card class.

2. If the program does not search for the card class corresponding to the

new data,

a. add the new card class (in any order) to the KLSD DATA statement

in BLOCK DATA;

b. increment the number of card classes searched for (NKLS DATA

statement in BLOCK DATA);

c. update the KLSD array size in all DIMENSION statements;

d. add the new section of code extracting the data anywhere in

EXTRACT, putting the label for that new section in the

GO TO statement (in the proper order) prior to label 130;

e. if necessary, modify the statement prior to label 130 that checks

for 3xx, 4xx and 6xx records.

3. If data is to be extracted for additional formations,

a. add the new formations to the FORMD DATA statement in BLOCK DATA;

b. increment the number of formations searched for (NFORM DATA

statement in BLOCK DATA);

c. update the dimensions of all arrays which are dimensioned by NFORM

in all CHARACTER and DIMENSION statements (refer to Appendix C,

Definition of Variables);

21

d. change the value 3 corresponding to the present value of NFORM to

the new value of NFORM in FORMAT 9110 in WRSUB and FORMAT 9210

in SORTP.

4. Add new variables to the appropriate CHARACTER and/or DIMENSION and

COMMON statements in all routines.

5. Decide whether the new data extracted should be output to FILE09 in an

existing record type (1/2/3) or whether a new record type should

be defined,

a. If the data is to be output in an existing record type,

i. modify the existing WRITE and FORMAT statements and update

the appropriate data initialization code in WRSUB;

II. modify the existing READ, WRITE, and FORMAT statements in

SORTP.

b. If a new record type is to be defined,

i. add the new section of code in WRSUB, putting the label for

that new section in the GO TO statement prior to label

1000;

ii. be sure the argument in the new call to WRSUB in EXTRACT is

the correct record type;

iii. the new record type should include (in this order) the

variables API, ITWP, IRGE, ISEC, IREC for later sorting;

iv. SORTP should be modified to read a record which is other than

a type 1, 2, or 3, and then write it out in user format.

22

6. Update the documentation affected by the program changes.

B. If the extracted file (FILE09) is to be sorted by additional fields, the

following guidelines may be helpful:

1. Assuming the new data to be sorted is presently being extracted and

written to FILE09, modify the WRITE and FORMAT statements in WRSUB

such that the new data is written immediately after record number

(variable IREC) for each record type.

2. Modify the READ, WRITE, and FORMAT statements in SORTP for each record

type.

3. Modify the sort description in file SORTDES, and the COMMENT after the

call to SORT in SORTP. Refer to Appendix A, Sort Parameter

Analysis.

4. Update the documentation affected by program and sort description

changes.

C. If the current program is to be used to read a WHCS file for a state other

than Colorado, the following guidelines may be helpful:

1. Determine if the formats (including card classes) are the same for the

Colorado and new WHCS files,

a. If the formats are the same, the program will not need

modification,

b. If the formats are different, some of the FORMAT statements will

probably need modification.

c. If the card classes are different, refer to the directions in

Section A, above.

23

d. Presently, there are 83 possible records defined for a 2xxyy

(xx=01-49) or a 5xxyy (xx=01-99) card class, where yy=01-53,70-

99. If more records are defined for the new file,

i. modify the MAX25R DATA statement in BLOCK DATA;

ii. update the dimensions of all arrays which are dimensioned

by MAX25R in all CHARACTER and DIMENSION statements

(refer to Appendix C, Definition of Variables);

iii. change the value 83 corresponding to the present value of

MAX25R to the new value of MAX25R in FORMAT 9210 in WRSUB

and FORMAT 9250 in SORT P.

2. Update the documentation affected by program changes.

24

Appendix C

DEFINITION OF VARIABLES

25

Name

API

Dimension

DEFINITION OF VARIABLES

Format

A8,A6

Common

EIGHT

Description

API number extracted from the 10010

record

APII A8,A6 EIGHT API number read from every record

BLNK A8 EIGHT (8 blanks) used to

initialize data

BLNK55 A55 FFIVE -UU...UU (55 blanks) used to

initialize data

DAT A55 FFIVE All data (except API number and

card class) read from every record

DDEP NFORM A5 EIGHT Formation drill depths extracted

from the 2xx77 records (xx=50,52,

54,77*01-99)

DDP A5 EIGHT The three formation drill depths

read from each of the 2-xx.yy records

(xx=50,52,54,77=01-99)

'e.g., API is declared CHARACTER*8 and is in COMMON /EIGHT/

26

DEFINITION OF VARIABLES (continued)

Name Dimension

FORM

Format

A8

Common

EIGHT

Description

The three formations read from each

of the 2xx77 records (xx=50,52,

54,77=01-99)

FORMD NFORM A8 EIGHT The specified (uppercase)

formations for which data is to

be extracted.

FORME NFORM A8 EIGHT The formations for which drill

depths were extracted from the

2xx77 records (xx=50,52,54,

77=01-99)

ICNTY A3 FOUR Count7 extracted from the API

number (10010 record)

IDTP A4 FOUR The t7pe (LOG, SPL, DRLR) of drill

depth read from the 2xx77 records

(xx=50,52,54,77=01-99)

**Values are specified in BLOCK DATA

27


Name Dimension

IDTYP NFORM

Format

A4

T7pe/ Common

FOUR

Description

The types (LOG, SPL, DRLR) of drill

depths extracted from the 2xxyy

records (xx=50,52,54,yy=01-99)

IFORM NFORM II DIM Flag corresponding to each

specified formation for which a

drill depth is to be extracted from

the 2xxyy records (xx=50,52,54,

yy=01-99)(0=not extracted, 1 =

extracted)

IN 12 MISC FORTRAN unit of the current input

file (= 15, 16,...LASTIN)

IOUT II MISC FORTRAN unit of the sorted output

file (=9)**

IOUTS II MISC FORTRAN unit of the sorted output

file (=10)**

28


Name Dimension

IP

Format

12

Type/ Common

MISC

Description

Flag corresponding to a specified

formation for which IP's are to be

extracted from 2xxyy (xx=01-49) or

Sxxyy (xx=01-99) records

(yy=01-53,70-99)(0 » not extracted,

l-NFORM=extracted)

IPDT 12 MISC Flag corresponding to a specified

formation for which PDT's are to be

extracted from 5xxyy records (xx=

01-99, yy=01-53,70-99) (0 = not

extracted, 1-NFORM = extracted)

IREC 12 MISC Well unit record counter. Used to

sort multiple records for a single

well unit

IRGE 3A4 FOUR Range extracted from the 10021

record

ISAV 12 MISC FORTRAN unit of the file on which

file unit and record count

information is written (=12)**

29


Name

ISEC

Dimension FormatType/ Common

2A4,A3 FOUR

Description

Section extracted from the 10021

record

ISTE A2 FOUR State extracted from the API number

(10010 record)

ITASK II MISC Task selected by the user at the

beginning of the program which

specifies the function(s) to be

performed. The task menu is:

1 = extract, sort, print (default)


3 = extract

4 = extract restart

5 = sort

6 = print

7 = sort, print

30

Name Dimension

ITWP 3


Format

3A4

Type/ Common

FOUR

Description

Township extracted from the

10021 record

ITYP A2 FOUR The type of 5xx01 record read

(-IP.PT, . . .)

ITYPD A2 FOUR The value set (-IP) in BLOCK DATA

against which to evaluate the type

of 5xx01 record read (variable

ITYP)**

KLS 11,212 DIM Card class read from every record

KLSD 3,NKLS 11,212 DIM The specified card classes for

which data is to be extracted**

KLSIP 3,MAX25R 11,212 DIM The card class of each record of

IP's extracted

KLSPDT 3,MAX25R 11,212 DIM The card class of each record of

PDT's extracted

31


Name Dimension Format

LASTIN - 12

Type/ Common

MISC

Description

FORTRAN unit of the last file to be

read (the first file is assumed to

be unit 15)

LPR 12 MISC FORTRAN unit of the "print" file

(=11)**

MAX25R 12 MISC Maximum number of records defined

for card class 2xxyy (xx=01-49) or

5xxyy (xx-01-99), (yy=01-53,70-

99)**

MESINT 15 MISC Number of well units processed

prior to printing a message on the

user's terminal during program

**execution

NFORM 12 MISC Number of specified formations for

**which data is to be extracted

NFORME 12 MISC

32

Number of formations for which

drill depths were extracted from

the 2xxyy records (xx=50,52,54,

yy=01-99)


Name

NIP

Dimension Format

12

Type/ Common

MISC

Description

Number of records of IP's extracted

for a specified formation (max =

MAX25R)

NKLS 12 MISC Number of specified card classes

for which data is to be extracted**

NMWELL 5A4 FOUR The well name extracted from the

last 102yy record (yy=00-99)

which exists for each well unit

NOWELL 2A4,A2 FOUR The well number extracted from the

last 102yy record (yy=00-99)

which exists for each well unit

NPDT

NRECI

12

110

MISC

MISC

Number of records of

extracted for a specified formation

(max - MAX25R)

Counter for number of records read

from the current input file

NRECO 110 MISC Counter for number of records

written to FILE09

33

Name Dimension

NWELLU

DEFINITION OF VARIABLES (continued)Type/

Format Common Description

110 MISC Counter for number of well units

processed

OPELEV 2A8 EIGHT Operator elevation (RB/CB/CF/RT/KB/

DE/FS, GR) extracted from the 10300

record

PDT MAX25R A55 FFIVE Each record of PDT's extracted for

a specified formation from 5xx77

records (xx-01-99,77=01-53,70-99)

SPOT 4A8 EIGHT Spot extracted from the 10100

record

XIP MAX25R A55 FFIVE Each record of IP's extracted for

a specified formation from 2xx77

(xx-01-49) or 5xx77 (xx-01-99)

records (yy-01-53,70-99)

34

Appendix D

EXTRACT PROGRAM CODE

35

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if(kIsC 1 5.ea.3 .or. klsC1).eq.^ .or. kls(1).eq,6) go to 1 00 c c search for specific cars classes

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c we nave a i»atch -- go to cne appropriate program sectiongo to ( i COG/iCOC/3CCG/4uCC/^000/50jj/fcOOC/7CGC/70CC/70CC/

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decode(oat/931Q) spot 931 0 f ormat (15x/4ao)

go to 10G c4000 continueC **» * **** *» * ** *** ** » * »»**** ***» *»»» »* **** *»****»»

c card class 102yy (yy=00-99)cc extract the last well numoer and well name given for ac spec i f i c -eI l/un itc

decode(dat/3410)~now el l/nmwell 9410 format(24x,2a4,a2/5a4) 41QO c ont i nue

read(in/9Q10/ena=42GC) apii/kls/datn rec i = nre c i +1

c if this is still a 102 record/ go decode infoi f ( k I s (1 ). eg. k I sd ( 1 / i nde x ) .and. kIs(2).eq.kIsd(2 / inoex)}

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go to 110 c4200 continue c end of file - increment unit if not the last unit

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c5000 continue c «*************«*****» «***«****«******«***«*«*****«**»***»****«****c card class 103 COcc extract operator elevation ( R8/ C 3 / C F /3 T / < 3/ 7E / f S *> G3)c

decode(cat/9510) opelev 95 1 0 format (2afii

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SSP13 pj63 SIM2 ul spj03aj ) 1 P M6nojc|2 dOOl 3anu 1 2003 00 19

log « log too (rec 250)spl s sample top (rec 252)orlr = driller top (rec 254)

if we have extracted drill depths for all formations/ skip this sectionif(nforme.eQ.nform) go to 100i k = 1go to 72GO

C7100 continue c loop through all recorcs in this card class

ik « i k + 1 71 50 continue

read(in/9Q1G/end=76GO) apii/kls^datnreci = nreei+1

c is this still rec 2xx ( x x = 50/52/ 54)i f ( k I s ( 1 ). n e. < I sd ( 1 / i ndex ) .or. k Is ( 2 )-ne . k I s d ( 2 / i ndex ) ) go to 110

7200 cont i n uedecode<Cdt/971Q) iotp/(form(i),ddp(i)#i=1/3)

9710 format (a4/3 (2x/a8/1x/a5)) c does tnis record contain the specified formations

do 7500 if«1/nform c have -e already founa 3 watch

if(iform(if ).ea.1) go to 7500do 74 GO 1 = 1 /3i f ( f or n» ( i ) . ne . f ormd ( i f 5 ) go to 7400

C set flag/ increment counter/ and save formation/ drill type and d*»pthi form < i f) * 1nforme - nforme+1forme(nforme) s formd(if)icUyp(nforrne) = idtpadepCnforue ) = ddp(i)50 to 75CO

74QO continue 7500 continue

go to 7100c 7600 continue

not the I as t un i ten a cf file - increment unit if ifCin.es.lastin) go to 210 in = i n + 1if(i r>.eq.4l) in s 43 go to 71 50

50CO continue£ ft******************** ft*************************-***

c card class 5xxG1-5xx53/ 5xx7C-5xx99 (xx=01-99) cc extract IPs for nform specifieG formations Cformd)c not sone previously at lasel oGOOc extract 3 -*3 for nfor- specified formations (fornjc in soth extractions/ Sjve rec 5*xJ1 c on rec 5xxGt-5x«C? "is c save recs 5xx'G-5xx99. c

c a se thene cesired formation. if

if type is !°/ use coae at lacel 6GCO to process I?

e t n e r or

m a 11 2 nit 1 s / also

*i*G forma: ( a <2)ifCityp.eq.itypa) go to oCGG

41

c re co ros arc POT c save r ec 5 xx01

pdt(1) = da tdo 3050 i*1/3kIspdt (i/1 ) = k Is ( i )

8050 c ont i nuei k * 1

c8100 c

continue loop through all records in this card class

ik = i k + 1 8125 continue

readCin/901G/ena=53GG) apii/kls/datnreci s nreci+1

c is this still rec 5xx (xx=1-99)i newx x = 0i new = 1i f (kl s(1).ne.<Isd(1/index ) ) go to 8400i new s 0

c is this 5xx the same as the last record (i.e./ is c this a 5xx01 record)

i n e w x x = 1i f(kls(2>.ne.klspdt(2/ik-1)) go to 84QQi newx x = 0pdt(i k ) = datdo 3150 i = 1 /3k Ispdt ( i /i k ) = kls ( i )

8150 continuenpdt = i k

c have we already found a match (i.e./ on formation)i f(ipdt.ne.O) go to 8100

c are we past tne 5xxQ2-5xx09 recordsi f (k I s(3).g t.9) go to 810C

c see if tnese 5xx recorcs applydecooe(oat/9623) form<1)

c if we nave a ma ten/ set a flagdo 5200 ifsl/nformi f(form (1).ne.formcC if) ) go to 8200i pat « i fgo to 31 CO

820C continuego to 3100

to the desired formation

c8300 continuec increment unit if not the last unit

if(in.eg.I astin) go to 210in - i n » 1if(in.ea.41) in = 43 go to 3125

u if

c o n t i n u e?DTs were extracted/ write the recorc ana initializei f C i p J t . ne . > call w r s j b C 3)

if this is a 5 x x ' j 1 record/ if(inewxx.ec.l) gc to 300

go process +. u

it

no mere 5x« recordsi f < i n e w . e q . 1 ) go to go to 1 C 3

11

42

endsuoroutine wrsub(kode)

cc suoroutine to write extracted Colorado whcs data to an output c file and to initialize all variables file and arrays c

character*4 iste/icnty/idtp/idtyp(3)*itwp(3)/irge(3)/isec(3)/* nowe I I ( 3 ) /nmwel I ( 5 ) f i t y p* i t y pd

c hara c t e r*3 api (2) /api i (2)/opelev(2)/spot(O/* form(3)/forme(3)/formd(3)/ddp(3>/ddep(3)/blnkcharacter* 55 xip(83>/pdt(83)/dat/blnk55

cdiwens ion *ls(3)*klsd<3/11)*iform(3)*klsip(3/83)*klspdt(3/33>

ccommon /four/ i st e / i en t y / i dt p / i dt yp f i t wp / i r ge * i s ec t

* nowe I I /nrowe 1 1 /i t y p * i t ypd common /eight/ ap i t a pi i / ope I e v * spot f

* form/ forme/ forma/ddp*ddep/olnk common /ffive/ x i p * p dt / da t /b I n k 5 5 common /dim/ k I s/ k I s d/ i f o rro/ k I s i p A I s p dt common /misc/ in*iout/iouts/lpr*nkls/nwellu/irec/nform*nforme/

* ip/nip/ipat/npdt/max25r*mesint/itask/nrec'i*n'-eco/isav/lastincc branch to the type of record to be written

go to ( 1 000/2000/3000) * kode c1000 continue £ A******************************************************************

c re cord type 1cc write API number/ TwP* rge/ sec* record number*c total numcer of records for this well/unit/c soot/ state/ county/ well numoer* well name/ operator elevation*c numoe r of formation arill depths*c formation/ drill type/ drill depth for nforme formationsc

n rec = i reci r ec = 1

c if we haven't processed any well/units yet/ skip to data initializationif<nwetlLueq.-*)go to 11 COi f (n f o rme . e G . 05 n f c r me = ^nreco = nreco+1 » r i : e ( i o u t / ? 1 1 G > api/itwp/irge/isec/i rec/

» nrec/ssot/iste/icnty/nowell/nmyei l/cpelev*nf* Cfor,-ne(i}/iJtypCi)/adepCi}/i=1/nforme)

9110 format (a3/ao/3a^./2a4 / 2a4/a3/i2/

cc every mesint well/ units/ write api number to users terminal

nw = nêllu*1i f ( me -i ( n w / m e s i r : ) . e c . C ) write(6*9*15) api

9115 for,na:(3x/aSâo) c every 1C30 we I I/ «o us* «-rite to users t e r .ni n a I

if(moc(nw*1CCj).ec.C) write<6*9'?23) n* 5123 formatC* -e II / u ni t " / 1 1 0 ) cc save input file unit, recors numcer of t r e last recora c read fron the input file for tê most recently srocessec : -ell/unit/ jnc recora numcer of tne Last reccrc c written to f U eQ9 for tê most recently processes

A3

cwel'l/unitor = n r e c i - 1rewind i sa vwrite ( isav r 9130 ) in*nr/nreco

9130 format C i2,2 ilQ)cc da t a initialization 1100 continue

nweI Iu s nwel lu+1i ste = blnki cnty s blnkn f o rme = 0do 1200 is1 ,2api(i) = ap i i (i )ope Iev(i ) s blnk

1200 continuedo 1300 i=1*3i t wp ( i ) = D Inki r^e ( i ) = o Inki sec(i ) = blnknoweI I (i) a blnk

1300 c ont i nuedo KGJ i s 1 *<*spot(i ) s b In*

1 AGO c ont i nuedo 1SOO i=1 ,5nrawe I I ( i ) = Dink

1500 continuedo 1600 i = 1*nformi forra C i) s Cf orme ( i) = blnki d t yp(i ) = blnkadep(i) = o Ink

1600 continue c if no wells have been processed yet/ initialize the rest of tne aata

if(r.wellu.eq.'J) go to 21CCreturn

c 20

cccccc

00 cor

re co r c

wr T t ef *"* r .1

IPs

it i'

s t

AP

»a cfo

nu e

y pe 2

I n u .TI c e r /i en, numoer t na t for

TW?

r oflat

/ rge /f I? seion for

sec tr s/ anip

r ecndset

******.*}*.

or a n um oe r ,care classs

r

and

irec= irec + 1nreco 2 nreco+1write(iou:/?21Q) aoi/it-p/irge^isec/^rec^

* for.Ti2(io)/nipx(Cklsip(j/i)/j s 1/3)/*ip(i)/'i=1/nip) 9213 formatCa3/ac/3a^/3ai/2a^/a3/i2/

«3/i 2/ i3Ci1/2i2/a5 5) ) cc data initialization 2100 continue

30 2200 is1*.nax25rxip(i) s olnk.55

2200 continuei o s jn i p = Q

44

X i u-c Ju i J 0 = 9 Da J| s e 11, D9

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read( i n/91 1 C) 9110 format ( 1 x) 100 continue c c **« « **«* ***********»**»** »* *** »**«*»****** ****«»» *»*****«c po si t i on output filecc open outcut file with extend option

open (9 f attacn = "record_stream_ -target vfile. file09 -extend"/* forms"formatted") do 200 i =1 t nrec 0 read< i out/911 0)

200 continue c 300 continue£ »*»***» »****» ** »* »»* »* » *»***#* »»**»»** »**»****»»»» *»»*****»** '

C end of restrtc

return endblock data

cc block aata subprogram for program extract c

character*** i s t e / i cnty/idtp/idtyp(3>/ i t w p ( 3 ) / i r g e ( 3 ) / i sec(3)/* nowe I I (3)/nmwell (5)/ityp/irypd Character'8 api(2)/apii(2)/opelevC2)/spot(4>/

* for m(3 ) / f or me (3 ) /formd(3)/ddp(3)/daep(3) /pinkcharacter»55 x i p(3 3 )/pdt(33)/dat/Plnk55

cdimension kls(3)/klsd(3/11)/ifcrm(3)/klsip(3/33)/klspdt(3/83)

ccommon /four/ iste/icnty/idtp/idtyp/itwp/irge/isec/

* nowell/nm*ell/ityp/i'ypd common /eignt/ ap i / a p i i / ope I e v / spot /

* form/ forme/formc/dap/dceo/clrr* common /ffive/ xip/pat / a at/oInk55 common /cim/ kIs/k IsC/i form/nI sip /k ISP dt C ommon /misc/ in/ <icut/iCuts/lpr/n<ls/nwelli-/iroc/nfo.'"n/'nfo/''ne/

* ip/nip/ipct/npd"/max25r/mesint/itask/n^eci/nrecc/isav/l3st'tn C C fortran i/o units

data i ou t / i ou t s/I p r / i s 3 v /9/1Q/11/12/ c miscellaneous

data o Ink/" "/cata api /2* M "/

c counter for number of well/units processeddatanwellu/-!/

c counter for nu^Der of records input from one filedata nreci /]/

c counter for nunoer of recorcs written to file 09data nreco /J/

c numcer of -el I/units processed pefore printing message c to users terminal

data -nesint /50/c maximum nu'toer of recorcs of cara class 2xxyy (xx=3''- i >) c r c 3*xyy (xxsC*- 5 1̂ ). nere xx s ^'J "53/ 7L-99 = maxZS 1* .-ecorcs.

data max25r /E3/ C numper of formations searched for

data nfcrm /3/

48

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reproduced from best avmuttccottprogram extract currently extracts the following data for each well...

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